This is a pair of APC Propellers 10x4.5 Multi Rotor ST 3DR SOLO.
Includes: Two Standard Rotation 10x4.5MR(ST2A) Multi Rotor Propellers with two M6x1 RH Thread Hex Nuts
Requires: ALL props require balancing, this is VERY important. May need prop reamer.
Note: For use with electric motors only. Do not use with gasoline or glow powered engines.
Hub Diameter: 0.65" (16.5mm)
Hub Thickness: 0.48" (12.2mm)
Shaft Diameter: 0.24" (6mm)
Weight: 0.57oz (16g) including hex nut